Skate trainer



FIG. 1 is a complete view of the skate trainer;

FIG. 2 is a side view of the skate trainer;

FIG. 3 is a front view of the skate trainer;

FIG. 4 is a back view of the skate trainer; and,

FIG. 5 is a top view of the skate trainer.

The ornamental design for a skate trainer, as shown and described.